package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.SetmealDish;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private DishService dishService;

    @CacheEvict(value = "setmealCache",allEntries = true)
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto) {

        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");

    }
    @Cacheable(value = "setmealCache",key = "#page+'_'+#pageSize+'_'+#name")
    @RequestMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name!=null,Setmeal::getName,name);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(pageInfo, queryWrapper);
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto> list=records.stream().map((record)->{
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(record,setmealDto);

            Long categoryId = record.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category!=null){
                setmealDto.setCategoryName(category.getName());
            }
            return setmealDto;
        }).collect(Collectors.toList());
        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        setmealService.removeWithDish(ids);
        return R.success("套餐删除成功");
    }

    @PostMapping("/status/{status}")
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> status(@PathVariable int status,@RequestParam List<Long> ids){
        log.info("status={},ids={}",status,ids);
        LambdaUpdateWrapper<Setmeal> updateWrapper = new LambdaUpdateWrapper<>();
        updateWrapper.in(Setmeal::getId,ids).set(Setmeal::getStatus,status);
        setmealService.update(updateWrapper);
        return R.success("套餐状态已修改");
    }
    @Cacheable(value = "setmealCache",key = "#id")
    @GetMapping("/{id}")
    public R<SetmealDto> update(@PathVariable Long id){
        LambdaQueryWrapper<SetmealDish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(SetmealDish::getSetmealId,id);
        List<SetmealDish> dishes = setmealDishService.list(queryWrapper);
        Setmeal setmeal = setmealService.getById(id);
        SetmealDto setmealDto = new SetmealDto();
        BeanUtils.copyProperties(setmeal,setmealDto);
        setmealDto.setSetmealDishes(dishes);
        return R.success(setmealDto);
    }

    @PutMapping
    @CacheEvict(value = "setmealCache,setmealDishCache",allEntries = true)
    public R<String> update(@RequestBody SetmealDto setmealDto){
        setmealService.updateWithDish(setmealDto);
        return R.success("修改套餐成功");
    }

    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId+'_'+#setmeal.status")
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }

    @Cacheable(value = "setmealDishCache",key = "#setmealId")
    @GetMapping("/dish/{setmealId}")
    public R<List<Dish>> dish(@PathVariable Long setmealId){
        log.info("setmealid={}",setmealId);
        LambdaQueryWrapper<SetmealDish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(SetmealDish::getSetmealId,setmealId);
        List<SetmealDish> list = setmealDishService.list(queryWrapper);
        List<Dish> dishList=list.stream().map((item)->{
            Dish dish = dishService.getById(item.getDishId());
            return dish;
        }).collect(Collectors.toList());
        return R.success(dishList);
    }
}
